| 释义 |
voice-grade channel 【电信学】语音级信道，音频信道 以上来源于：《21世纪大英汉词典》 voice-grade channel话频[级]信道；音频道voice-grade channel话频[级]信道voice-grade channel语音级信道voice-grade channel音频频道voice-grade channel音频道voice-grade channel話頻（級）通道；音頻道電機工程voice-grade channel音頻頻道航空太空名詞voice-grade channel音頻道海事voice-grade channel音頻頻道機械工程voice-grade channel話頻[級]通道電力工程voice-grade channel語音級通道電子計算機名詞 |